package test01;

import java.util.Scanner;

public class demo07 {
    public static void main(String[] args) {
        Scanner sc=new Scanner(System.in);
        int month=sc.nextInt();
        if(month>=3 && month<=5){
            System.out.println("春");
        }else if(month>=6 && month<=8){
            System.out.println("夏");
        }else if(month>=9 && month<=11){
            System.out.println("秋");
        }else if(month==1 || month==2 || month==12){
            System.out.println("冬");
        }else {
            System.out.println("输入错误");
        }
    }

}
